Swiss
Menampilkan: Swiss - ITU (1958 - 2003) - 1 prangko.
1973
ITU Headquarters, Geneva
30. Agustus WM: Tiada Desain: Alfred Cserno y Jean - Jacques Chevalley. Ukiran: Courvoisier. S.A. Perforasi: 11¾
![[ITU Headquarters, Geneva, Tipe C]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/C-s.jpg)
